Gliese 581g

Gliese 581g is a planet discovered recently in 2010, it has a distance from earth of 20.3 ly. We also call it "the second Earth" because searchers and scientist think that there is an atmosphere, water, a habitable zone, life and a surface temperature just like Earth.

The two planets in the background are representing Gliese 581c (+moon) and Gliese 581b.